Lohand
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| Brand | Lohand |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | LH-T3NHN |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | Colorimetric Method (Nesslerization or Salicylate, per HJ 535–2009) |
| Measurement Range | 0–160 mg/L NH₃–N (multi-range segmented calibration) |
| Accuracy | ≤ ±8% of reading (at mid-range, per HJ 535–2009 validation protocol) |
| Display | 3.5-inch high-resolution color TFT LCD with analog-style UI |
| Light Source | Long-life cold LED source with narrow-band interference optical filtering (rated lifetime ≥100,000 hours) |
| Data Storage | Internal non-volatile memory for up to 5,000 measurement records (timestamp + numeric result) |
| Sample Vessels | Compatible with both 16-mm round glass cuvettes and 10-mm square quartz or optical-grade plastic cuvettes |
| Calibration Options | 15 pre-programmed calibration curves |
| Compliance | Designed and validated in accordance with HJ 535–2009 “Determination of Ammonia Nitrogen in Water—Nessler Reagent Spectrophotometric Method” |
| Brand | Lohand |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | LH-A116 |
| Pricing | Upon Request |
| Digestion Method | Rapid Digestion |
| Heating Module | Single Aluminum Block Heater |
| Batch Capacity | 16 Samples |
| Temperature Range | 40–190 °C (User-Adjustable) |
| Temperature Accuracy | ±0.5 °C |
| Sample Volume Capacity | 0–10 mL |
| Timer Drift | ≤0.2 s/hour |
| Brand | Lohand |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | LH-A220 |
| Pricing | Upon Request |
| Digestion Method | Rapid Digestion |
| Heating Module | Dual Independent Heating Blocks |
| Batch Capacity | 20 Samples |
| Temperature Accuracy | ±0.5 °C |
| Sample Volume Range | 0–10 mL |
| Timer Drift | ≤0.2 s/hour |
| Brand | LoHand |
|---|---|
| Model | LH-B50 |
| Origin | Zhejiang, China |
| Instrument Type | Milk Cryoscope (Freezing Point Depression Analyzer) |
| Measurement Principle | Thermistor-based freezing point depression detection |
| Sample Volume | ~1.0–1.5 mL |
| Resolution | 0.001 °C |
| Repeatability | ±0.002 °C |
| Operating Temperature Range | 10–30 °C ambient |
| Power Supply | Rechargeable lithium-ion battery (≥8 hrs continuous operation) |
| Compliance | Designed per ISO 5725 (accuracy verification), aligned with IDF Standard 192 (Milk Cryoscopy), and supports GLP data integrity requirements |
| Brand | Lohand |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | LH-BOD312 |
| Instrument Type | Benchtop Laboratory BOD Analyzer |
| Measured Parameter | Biochemical Oxygen Demand (BOD₅) |
| Detection Principle | Dissolved Oxygen Depletion Method (Standard 5-Day Incubation per ISO 5815-1:2019 & ASTM D5210) |
| Brand | Lohand |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | LH-COD-K25 |
| Pricing | Available Upon Request |
| Brand | Lohand |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | LH-E4ISE |
| Pricing | Available Upon Request |
| Instrument Type | Laboratory-Based Water Quality Analyzer |
| Detection Principle | Electrochemical Method |
| Brand | Lohand |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | LH-ES20 |
| Instrument Type | Magnetic Stirring & Mixing Equipment |
| Speed Range | 0–1500 rpm |
| Housing Material | Stainless Steel (304) |
| Power Input | Low-voltage DC (compatible with portable power banks and automotive 12 V systems) |
| Form Factor | Compact Benchtop Design |
| Brand | Lohand |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic (China-made) |
| Model | LH-JE401 |
| Instrument Type | Magnetic Stirrer |
| Maximum Stirring Volume | 1000 mL |
| Speed Range | 50–1500 rpm |
| Temperature Control Range | 5–40 °C |
| Brand | Lohand |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Product Category | Domestic |
| Model | LH-P3SI |
| Instrument Type | Portable |
| Compliance Standard | GB/T 12149–2017 Industrial Circulating Cooling Water and Boiler Water — Determination of Silicon |
| Brand | Lohand |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | LH-P3SS |
| Instrument Type | Portable |
| Display | 3.5-inch color TFT LCD with dial-style UI |
| Battery | Rechargeable lithium-ion, up to 8 hours continuous operation under typical field conditions |
| Calibration | Optical intensity calibration supported |
| Calibration Curves | 5 built-in calibration curves for turbidity-to-SS correlation |
| Measurement Limit Indication | Visual upper-limit alert (red highlight) on dial interface |
| Data Output | Concentration directly displayed in mg/L (ppm) units |
| Brand | Lohand |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Regional Classification | Domestic (China) |
| Model | LH-S700 |
| Detector Type | Silicon Photocell |
| Wavelength Range | 190–1100 nm |
| Automation Level | Automatic Wavelength Scanning |
| Spectral Bandwidth | 2.0 nm |
| Wavelength Accuracy | ±0.5 nm (190–340 nm) |
| Wavelength Repeatability | ≤±0.2 nm (190–340 nm) |
| Stray Light | ≤0.2% at 220 nm and 360 nm |
| Brand | Lohand |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | LH-SF10 |
| Instrument Type | Laboratory Benchtop Filtration System |
| Vacuum Pump Type | Oil-Free Electromagnetic Piston Pump |
| Max. Simultaneous Samples | 6 |
| Filtration Capacity per Cup | 300 mL |
| Filter Membrane Diameter Options | 47 mm or 50 mm |
| Operating Noise Level | < 50 dB(A) |
| Construction Material | 304 Stainless Steel |
| Chemical Resistance | Acid- and Alkali-Resistant Design |
| Lubrication | Fully Oil-Free Operation |
| Continuous Duty Rating | 24/7 Stable Operation |
| Brand | Lohand |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | LH-TN360 |
| Measurement Parameter | Total Nitrogen (TN) |
| Instrument Type | Benchtop Laboratory Analyzer |
| Measurement Principle | UV Spectrophotometry after Alkaline Potassium Persulfate Digestion |
| Measurement Range | 0–100 mg/L as N |
| Accuracy | ≤ ±5% |
| Display | 7-inch Color TFT LCD with Optional Chinese/English UI |
| Data Storage | 5000 Sample Records with Power-Fail Protection |
| Calibration Curves | 25 Preloaded (20 Standard + 5 User-Fit) |
| Connectivity | USB 2.0, Infrared Interface, Optional Thermal Printer Support |
| Compliance | HJ 636–2012 |